Liquid crystal display device

Abstract

A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, a light-shielding film, a plurality of subpixels on the first substrate, a first electrode for each of the subpixels, a second electrode for each of the subpixels, and a color filter formed on the second substrate for each of the subpixels. The second electrodes each include a plurality of linear portions, wherein the subpixels include first and second subpixels that are adjacent to each other. A signal line forms between the first subpixel and second subpixel, and the color filter is formed across the signal line in the same color, and the second electrodes of the first and second subpixels are formed separately, and the second electrode of the first subpixel is disposed to an area of the second subpixel beyond the signal line.

1. A liquid crystal display device comprising:
 a first substrate; 
 a second substrate; 
 a liquid crystal layer sandwiched between the first and second substrates; 
 a light-shielding film provided to the second substrate; 
 a plurality of subpixels arranged in a matrix form on the first substrate; 
 a first electrode formed on the first substrate for each of the subpixels; 
 a second electrode formed on another layer of the first electrodes for each of the subpixels; and 
 a color filter formed on the second substrate for each of the subpixels; 
 wherein the second electrodes each include a plurality of linear portions; 
 wherein the subpixels include first and second subpixels that are adjacent to each other; 
 wherein a signal line forms between the first subpixel and second subpixel, and the color filter is formed across the signal line in the same color; and 
 wherein the second electrodes of the first and second subpixels are formed separately, and the second electrode of the first subpixel is disposed to an area of the second subpixel beyond the signal line. 
 
     
     
       2. A liquid crystal display device according to  claim 1 , wherein in the second electrode of the first subpixel, when viewed from above, at least one of the linear portions thereof is overlaid on the signal line formed between the first and second subpixels. 
     
     
       3. A liquid crystal display device according to  claim 1 , wherein in the second electrode of the first subpixel, at least one of the linear portions thereof is disposed to the area of the second subpixel. 
     
     
       4. A liquid crystal display device according to  claim 1 , wherein the first and second subpixels share the same color filter. 
     
     
       5. A liquid crystal display device according to  claim 1 , wherein the subpixels are divided into first and second groups each including three of the subpixels, and the subpixels in the first group are arranged in order of first, second, and third colors, and the subpixels in the second group are arranged in order of third, second, and first colors; and
 wherein the three subpixels in the first group and the three subpixels in the second group are alternately disposed in the direction of a display line. 
 
     
     
       6. A liquid crystal display device according to  claim 1 , wherein the second electrode is disposed on the layer upper than the first electrode with an insulation film disposed therebetween. 
     
     
       7. A liquid crystal display device according to  claim 1 ,
 wherein the second electrode is a pixel electrode, and 
 wherein the first electrode is a flat-shaped opposing electrode. 
 
     
     
       8. A liquid crystal display device according to  claim 1 , wherein in the second electrode, the linear portions are each bent. 
     
     
       9. A liquid crystal display device according to  claim 1 ,
 wherein the linear portions of the second electrode include: 
 a first linear portion extending along a direction orthogonal to a direction of a display line; 
 a plurality of second linear portions each being protruded from the first linear portion with a slope of θ, where θ is 70° to 87°, with respect to the first linear portion, and being disposed at predetermined intervals in a direction along which the first linear portion is extended; and 
 a plurality of third linear portions each being protruded to a side opposite to the second linear portions from the first linear portion with a slope of −θ with respect to the first linear portion, and being disposed at predetermined intervals in a direction along which the first linear portion is extended; 
 wherein the second electrode of the first subpixel is disposed also to the area of the second subpixel with the third linear portions each beyond the pixel boundary between the first and second subpixels; and 
 wherein the second electrode of the second subpixel is also disposed to an area of the first subpixel with the third linear portions each beyond the pixel boundary between the first and second subpixels. 
 
     
     
       10. A liquid crystal display device comprising:
 a first substrate; 
 a second substrate; 
 a liquid crystal layer sandwiched between the first and second substrates; 
 a light-shielding film provided to the second substrate; 
 a plurality of subpixels arranged in a matrix form on the first substrate; 
 a first electrode formed on the first substrate for each of the subpixels a second electrode formed on another layer of the first electrodes for each of the subpixels; and 
 a color filter formed on the second substrate for each of the subpixels; 
 wherein the second electrode includes a plurality of linear portions; 
 wherein the subpixels include first and second subpixels that are adjacent to each other and overlapped with the same color filter; 
 wherein the second electrode of the first subpixel is formed above an area of the first subpixel formed; and 
 wherein the second electrode of the second subpixel is formed above an area of the second subpixels. 
 
     
     
       11. A liquid crystal display device according to  claim 10 , wherein in the second electrode of the first subpixel, at least one of the linear portions thereof is disposed in an area of the second subpixel. 
     
     
       12. A liquid crystal display device according to  claim 10 , wherein the first and second subpixels share the same color filter. 
     
     
       13. A liquid crystal display device according to  claim 10 , wherein the subpixels are divided into first and second groups each including three of the subpixels, and the subpixels in the first group are arranged in order of first, second, and third colors, and the subpixels in the second group are arranged in order of third, second, and first colors; and
 wherein the three subpixels in the first group and the three subpixels in the second group are alternately disposed in the direction of the display line. 
 
     
     
       14. A liquid crystal display device according to  claim 10 ,
 wherein a liquid crystal display panel includes a first video line for input of a video signal to the first subpixel, and a second video line for input of a video signal to the second subpixel; and 
 wherein the first and second video lines are disposed to be opposed to each other with the pixel boundary of the first and second subpixels located therebetween. 
 
     
     
       15. A liquid crystal display device according to  claim 10 , wherein the second electrode is disposed on the layer upper than the first electrode with an insulation film disposed therebetween. 
     
     
       16. A liquid crystal display device according to  claim 10 , wherein the second electrode is a pixel electrode, and the first electrode is a flat-shaped opposing electrode. 
     
     
       17. A liquid crystal display device according to  claim 10 , wherein in the second electrode, the linear portions are each bent.